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  <title>Document</title>
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<body>
  <script>
    // 函数就是一个容器，乘方我们代码

    // function test() {
    //   console.log(123)
    //   console.log(456)
    // }

    // test()

    // test()

    function getVal() {
      
      var sum = 0
      for(var i = 1; i <= 100; i++) {
        sum += i
      }

      console.log(sum)
    }

    getVal()
  </script>
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